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143482 articles · Page 398 of 7175
dbaplus Community
dbaplus Community
May 1, 2026 · Operations

Why a Simple Nginx Change Made All Gateway Requests Return 400 (And How to Fix It)

A production incident caused by replacing two Nginx reverse proxies introduced an upstream name with an underscore, resulting in invalid Host headers and 400 Bad Request responses from Spring Cloud Gateway; the article details the step‑by‑step investigation, evidence from logs, tcpdump, and code, and presents configuration fixes to restore normal operation.

HTTP 400NginxSRE
0 likes · 15 min read
Why a Simple Nginx Change Made All Gateway Requests Return 400 (And How to Fix It)
Linyb Geek Road
Linyb Geek Road
May 1, 2026 · Artificial Intelligence

9 Essential Claude Code Skills That Double Your Productivity

Installing the right Claude Code Skills can dramatically boost efficiency, from security scanning and self‑improving agents to token‑saving summarization and browser automation, with a recommended installation order that guides users to maximize performance and cost savings.

AI PluginsAutomationClaude Code
0 likes · 6 min read
9 Essential Claude Code Skills That Double Your Productivity
Liangxu Linux
Liangxu Linux
Apr 30, 2026 · Industry Insights

Is the Embedded Industry Really Dead? A Reality Check

The article argues that low salaries in entry‑level embedded jobs are misleading, highlights high‑paying roles at companies like Huawei and BYD, explains how demand is shifting to new sectors such as EVs and IoT, and stresses that deep technical expertise, not superficial coding, determines long‑term value.

careerembeddedindustry trends
0 likes · 5 min read
Is the Embedded Industry Really Dead? A Reality Check
SuanNi
SuanNi
Apr 30, 2026 · Artificial Intelligence

Deploy a 24/7 Document Recognition Toolbox with the PaddleOCR Image on the Cloud

This guide explains how to use Baidu's open‑source PaddleOCR engine—its full OCR and layout analysis pipeline, multi‑language support, and output formats—to set up a continuously running document recognition service on the 算网 GPU cloud platform, including environment preparation, model configuration, and inference execution.

Cloud DeploymentDocument ProcessingGPU
0 likes · 6 min read
Deploy a 24/7 Document Recognition Toolbox with the PaddleOCR Image on the Cloud
SuanNi
SuanNi
Apr 30, 2026 · Artificial Intelligence

DeepSeek’s New Multimodal Paradigm Compresses Images 7,056× and Outperforms GPT‑4/Claude in Visual Reasoning

DeepSeek’s multimodal model, built on the V4‑Flash architecture and a visual‑primitive reasoning approach, compresses a full‑resolution image by 7,056 times, achieves comparable or superior performance to GPT‑5.4 and Claude‑Sonnet‑4.6 on counting and spatial‑reasoning benchmarks, and does so with dramatically lower compute.

DeepSeekModel CompressionVisual Primitives
0 likes · 12 min read
DeepSeek’s New Multimodal Paradigm Compresses Images 7,056× and Outperforms GPT‑4/Claude in Visual Reasoning
PaperAgent
PaperAgent
Apr 30, 2026 · Artificial Intelligence

DeepSeek Unveils Open‑Source Multimodal Model: “Thinking with Visual Primitives”

DeepSeek releases an open‑source multimodal LLM that introduces a visual‑primitive framework—elevating bounding boxes and points to token level—to close the reference gap, achieve extreme KV‑cache compression, and outperform GPT‑5.4, Claude‑Sonnet‑4.6 and Gemini‑3‑Flash on counting, spatial reasoning, maze navigation and path‑tracing benchmarks.

DeepSeekLLMVisual Primitives
0 likes · 13 min read
DeepSeek Unveils Open‑Source Multimodal Model: “Thinking with Visual Primitives”
MaGe Linux Operations
MaGe Linux Operations
Apr 30, 2026 · Cloud Native

Kubernetes Service Connectivity Issues? A Step‑by‑Step Guide from Pods to Services to Ingress

This article provides a systematic, layer‑by‑layer troubleshooting guide for Kubernetes service connectivity problems, covering pod health, service and endpoint configuration, kube‑proxy rules, CNI plugins, Ingress controllers, DNS resolution, and NetworkPolicy, with concrete commands, examples, and preventive scripts.

IngressKubernetesNetwork
0 likes · 39 min read
Kubernetes Service Connectivity Issues? A Step‑by‑Step Guide from Pods to Services to Ingress
MaGe Linux Operations
MaGe Linux Operations
Apr 30, 2026 · Information Security

20 Essential Server Hardening Steps Before Launching a New Machine

This guide provides a detailed 20‑item checklist for Linux server hardening—covering snapshots, account management, SSH key authentication, password policies, firewall rules, service reduction, kernel tweaks, logging, and verification scripts—to ensure a new production server is secure before it goes live.

AIDEFail2banLinux
0 likes · 33 min read
20 Essential Server Hardening Steps Before Launching a New Machine
Architecture & Thinking
Architecture & Thinking
Apr 30, 2026 · Cloud Native

How RocketMQ 5.0’s New Proxy Layer Enables Compute‑Storage Separation and Cloud‑Native Scaling

RocketMQ 5.0 replaces the monolithic Broker with a stateless Proxy layer that decouples compute from storage, solves scalability, multi‑protocol and cloud‑native adaptation challenges, and is demonstrated through detailed architecture comparisons, Java code samples, and two real‑world IoT and finance case studies showing significant performance and cost benefits.

Cloud NativeMessage QueueMulti-Protocol
0 likes · 20 min read
How RocketMQ 5.0’s New Proxy Layer Enables Compute‑Storage Separation and Cloud‑Native Scaling
TechVision Expert Circle
TechVision Expert Circle
Apr 30, 2026 · R&D Management

Why CTO Influence Shrinks: Stop Acting Just as a Technical Lead

The article explains how a CTO's power erodes as companies scale due to mismatched decision language, organizational shifts, and over‑focused technical management, and outlines a practical shift to a tech‑business translator role with four concrete actions for 2026.

AI AgentBusiness translationCTO
0 likes · 11 min read
Why CTO Influence Shrinks: Stop Acting Just as a Technical Lead
Architect
Architect
Apr 30, 2026 · Artificial Intelligence

How Hermes Agent’s Memory System Fixes the Layered Misconception in OpenClaw

The article dissects Hermes Agent’s four‑layer memory architecture—hot memory, session search, skills, and optional Honcho—explaining how each layer’s cost and purpose differ from OpenClaw’s approach, and why careful placement of facts, history, procedures, and user models leads to more stable, cache‑aware agents.

Agent MemoryContext ManagementHermes Agent
0 likes · 25 min read
How Hermes Agent’s Memory System Fixes the Layered Misconception in OpenClaw
AI Explorer
AI Explorer
Apr 30, 2026 · Industry Insights

Domestic Chips Train Trillion-Parameter Model, Highlighting China's AI De-Americanization

The article examines DeepSeek V4’s open-source trillion-parameter model and Meituan’s use of an entirely domestic compute cluster, arguing that together they demonstrate China’s emerging dual-track strategy of algorithmic openness and home-grown hardware, signaling a clear move toward a de-Americanized AI ecosystem.

Artificial Intelligencedomestic chipsindustry trends
0 likes · 5 min read
Domestic Chips Train Trillion-Parameter Model, Highlighting China's AI De-Americanization
AI Explorer
AI Explorer
Apr 30, 2026 · Industry Insights

AI Tech Daily: Key AI Industry Highlights for April 30 2026

The AI Tech Daily roundup highlights Microsoft's 123% AI revenue surge, groundbreaking GPT‑5.5 restrictions, DeepSeek's multimodal launch, Ant Group's zkDTVM benchmark record, a 23‑year‑old Linux kernel bug, Stripe's 288 AI‑focused features, and emerging trends in LLM agent orchestration and AI adoption metrics.

AI revenueDeepSeekGPT-5.5
0 likes · 4 min read
AI Tech Daily: Key AI Industry Highlights for April 30 2026
AI Explorer
AI Explorer
Apr 30, 2026 · Artificial Intelligence

A Thought‑Experiment Challenge: Can GPT Derive General Relativity from 1911 Data?

Alec Radford tests a GPT‑style model trained only on physics literature up to 1911, asking it to independently infer the mathematical form of Einstein’s general relativity, thereby probing the computability of scientific discovery and the creative reasoning limits of current AI systems.

AGIAIAutoregressive Models
0 likes · 5 min read
A Thought‑Experiment Challenge: Can GPT Derive General Relativity from 1911 Data?
FunTester
FunTester
Apr 30, 2026 · Backend Development

Understanding Gatherer and Groovy’s Collection Capabilities

The article explains how JDK 24’s Gatherer API extends Java streams with custom intermediate operations, compares its functionality to Groovy’s rich collection methods, and provides concrete Gatherer implementations for slicing, fixed and sliding windows, folding, and subsequence detection, complete with runnable code examples.

CollectionGathererGroovy
0 likes · 16 min read
Understanding Gatherer and Groovy’s Collection Capabilities
DeepHub IMBA
DeepHub IMBA
Apr 30, 2026 · Artificial Intelligence

Why Real RAG Systems Need Both BM25 and Vector Search

The article analyzes how BM25 excels at exact token matching while vector embeddings capture semantic intent, explains their distinct failure modes, and shows that a hybrid retriever—combined with metadata filtering, proper chunking, and reciprocal rank fusion—delivers the most reliable results for RAG pipelines.

BM25EmbeddingHybrid Retrieval
0 likes · 17 min read
Why Real RAG Systems Need Both BM25 and Vector Search